function Eg(xx)
global sudu
d1=[0 0 8 0 0 0 2 0 0
    0 3 0 8 0 2 0 6 0
    7 0 0 0 9 0 0 0 5
    0 5 0 0 0 0 0 1 0
    0 0 4 0 0 0 6 0 0
    0 2 0 0 0 0 0 7 0
    4 0 0 0 8 0 0 0 6
    0 7 0 1 0 3 0 9 0
    0 0 1 0 0 0 8 0 0];
d2=[0 0 6 0 0 3 0 0 0
    0 0 0 8 9 0 0 0 0
    4 0 5 0 0 0 0 0 0
    0 0 0 0 0 0 0 0 5
    0 2 0 0 0 1 0 0 0
    0 9 0 0 0 0 0 0 6
    0 3 0 0 0 0 8 0 0
    0 0 1 0 0 0 2 0 0
    0 0 0 0 4 5 0 0 0];
d3=[5 0 1 0 0 0 0 0 4
    0 0 0 0 2 0 0 3 0
    0 0 0 0 0 0 0 0 0
    0 0 6 0 0 1 5 0 0
    0 0 0 5 0 0 0 2 0
    0 8 0 4 0 0 0 0 0
    7 0 0 0 0 0 1 0 0
    0 3 0 0 7 0 0 0 0
    2 0 0 0 0 0 0 0 0];
d4=[0 0 0 4 0 0 0 0 0
    0 8 5 0 0 0 0 0 9
    0 0 0 7 0 0 1 0 0
    0 0 3 0 9 0 0 0 0
    0 0 1 0 0 0 4 6 0
    0 0 0 0 0 0 7 0 0
    0 0 0 0 0 0 0 0 0
    4 0 0 6 0 0 0 0 0
    0 9 0 0 5 0 0 0 8];
d5=[0 0 0 0 0 0 0 0 0
    0 0 0 2 4 9 0 0 0
    0 0 0 5 0 7 0 0 0
    0 9 3 0 0 0 1 6 0
    0 6 0 0 0 0 0 2 0
    0 8 5 0 0 0 7 9 0
    0 0 0 7 0 3 0 0 0 
    0 0 0 4 2 1 0 0 0
    0 0 0 0 0 0 0 0 0];
d6=[0 0 5 3 0 0 0 0 0
    8 0 0 0 0 0 0 2 0
    0 7 0 0 1 0 5 0 0
    4 0 0 0 0 5 3 0 0
    0 1 0 0 7 0 0 0 6
    0 0 3 2 0 0 0 8 0
    0 6 0 5 0 0 0 0 9
    0 0 4 0 0 0 0 3 0 
    0 0 0 0 0 9 7 0 0];
Example={d1,d2,d3,d4,d5,d6};
sudu=Example{1,xx};